The investigation on the pozzolanic reactivity of different materials and their effects on the properties of ultra-high performance concrete

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MADANI SEYED HESAM; Pourjahanshahi Amin

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR) Year:2018 | Volume:50 | Issue:4 Page(s): 707-724

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Title

The investigation on the pozzolanic reactivity of different materials and their effects on the properties of ultra-high performance concrete

Author(s)

MADANI SEYED HESAM | Pourjahanshahi Amin | Issue Writer Certificate

Keywords

pozzolanic activityQ1

mechanical propertiesQ1

durabilityQ2

cement replacement materialsQ1

thermal curingQ1

ultra-high performance concreteQ1

Abstract

One of the disadvantages of ultra-high performance concrete (UHPC) is high content consumption of cement which leads to high level of material cost compared to ordinary concrete. Therefore, finding appropriate supplementary cementitious materials could reduce the environmental CO2 emission due to the reduction of cement consumption and may enhance the mechanical properties of ultra-high performance concrete. In this study, the pozzolanic activity of five industrial waste materials including silica fume, glass powder, copper slag, coal waste and silica floor has been investigated. It is expected that these materials in concrete can react with calcium hydroxide from cement hydration and produce C-S-H compounds. The pozzolanic, mechanical and diffusivity properties of ultra-high performance concrete made from the aforementioned materials as well as the pozzolanic properties were studied under standard and thermal treatment from 3 days up to 120 days. The results showed that the temperature and time are two significant factors on the performnce and pozzolanic activity of materials and use of higher curing temperatures led to improved mechanical properties for the mixtures containing silica fume. However, higher curing temperatures led to weaker durability and mechanical characteristics of UHPC with the other supplementary cementitious materials.

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APA: Copy

MADANI, SEYED HESAM, & Pourjahanshahi, Amin. (2018). The investigation on the pozzolanic reactivity of different materials and their effects on the properties of ultra-high performance concrete. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), 50(4 ), 707-724. SID. https://sid.ir/paper/165679/en

Vancouver: Copy

MADANI SEYED HESAM, Pourjahanshahi Amin. The investigation on the pozzolanic reactivity of different materials and their effects on the properties of ultra-high performance concrete. AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)[Internet]. 2018;50(4 ):707-724. Available from: https://sid.ir/paper/165679/en

IEEE: Copy

SEYED HESAM MADANI, and Amin Pourjahanshahi, “The investigation on the pozzolanic reactivity of different materials and their effects on the properties of ultra-high performance concrete,” AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR), vol. 50, no. 4 , pp. 707–724, 2018, [Online]. Available: https://sid.ir/paper/165679/en

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